diff options
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r-- | fs/btrfs/ctree.h | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 84d4c05..fceddbd 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2990,15 +2990,6 @@ BTRFS_SETGET_FUNCS(file_extent_encryption, struct btrfs_file_extent_item, BTRFS_SETGET_FUNCS(file_extent_other_encoding, struct btrfs_file_extent_item, other_encoding, 16); -/* this returns the number of file bytes represented by the inline item. - * If an item is compressed, this is the uncompressed size - */ -static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb, - struct btrfs_file_extent_item *e) -{ - return btrfs_file_extent_ram_bytes(eb, e); -} - /* * this returns the number of bytes used by the item on disk, minus the * size of any extent headers. If a file is compressed on disk, this is @@ -3012,6 +3003,32 @@ static inline u32 btrfs_file_extent_inline_item_len(struct extent_buffer *eb, return btrfs_item_size(eb, e) - offset; } +/* this returns the number of file bytes represented by the inline item. + * If an item is compressed, this is the uncompressed size + */ +static inline u32 btrfs_file_extent_inline_len(struct extent_buffer *eb, + int slot, + struct btrfs_file_extent_item *fi) +{ + struct btrfs_map_token token; + + btrfs_init_map_token(&token); + /* + * return the space used on disk if this item isn't + * compressed or encoded + */ + if (btrfs_token_file_extent_compression(eb, fi, &token) == 0 && + btrfs_token_file_extent_encryption(eb, fi, &token) == 0 && + btrfs_token_file_extent_other_encoding(eb, fi, &token) == 0) { + return btrfs_file_extent_inline_item_len(eb, + btrfs_item_nr(slot)); + } + + /* otherwise use the ram bytes field */ + return btrfs_token_file_extent_ram_bytes(eb, fi, &token); +} + + /* btrfs_dev_stats_item */ static inline u64 btrfs_dev_stats_value(struct extent_buffer *eb, struct btrfs_dev_stats_item *ptr, |